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    5. In a group of 5 boys and 4 girls, 5 students have to be selected. In how many ways it can be done so

    Question

    In a group of 5 boys and 4 girls, 5 students have to be

    selected. In how many ways it can be done so that only 2 boys are included.
    A 60 Correct Answer Incorrect Answer
    B 40 Correct Answer Incorrect Answer
    C 35 Correct Answer Incorrect Answer
    D 54 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    => 5C2 × 4C3 = [5!/(5 -2)! 2!] × [4!/(4 -3)! 3!] => [5!/3! 2!] × [4!/1! 3!] => 40 ways

    Practice Next
      More Permutation and combination Questions
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    Relevant for Exams:

    • IBPS SO

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